In china , guesswork just doesn 't cut it .

在中国，猜测是解决不了问题的。

But some reasonable guesswork is possible .

但进行一些合理的猜测还是可能的。

Previous estimates of china 's ppp were largely guesswork .

以前对中国购买力平价的估计基本上是靠猜测。

This makes any judgments about their progress mere guesswork .

这使得任何对贫困国家的进步的评价都沦为猜测。

The ages of rocks between these two were little more than guesswork .

在这两者之间的地层年代基本都是靠猜测。